# Expo: Major incident: Expo Go and Dev Client login outage

**Summary:** Expo reported a major outage causing login errors in Expo Go and Dev Clients, starting 2026-08-12 19:00 UTC and resolved at 2026-08-13 00:00 UTC, lasting 5 h 0 min. Expo confirmed a fix was deployed; no cause was stated. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-12 19:00 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/qpr6rbfp0grz](https://stspg.io/qpr6rbfp0grz)
- [Company: Expo](https://rewindex.com/company/expo.md)
- Versions: before (none: first archived) → after incident\_version:185/19zd8gvds363@5ba2210ea9e9
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Expo Go and Dev Client login outage
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-12 19:00 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-13 00:00 UTC
```

**6. Added: Update** (identified) · 2026-08-12 19:00 UTC

```diff
+ Users may see errors when logging into Expo Go or Dev Clients.
```

**7. Added: Update** (identified) · 2026-08-12 23:29 UTC

```diff
+ Fix is being deployed, should be available within the next ~1hr.
```

**8. Added: Update** (identified) · 2026-08-12 23:36 UTC

```diff
+ We are continuing to work on a fix for this issue.
```

**9. Added: Update** (resolved) · 2026-08-13 00:00 UTC

```diff
+ Fix is deployed.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-12 19:00 UTC | Major incident: Expo Go and Dev Client login outage (this change) | outage |

All Expo changes: [timeline](https://rewindex.com/company/expo/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i4ce735879859fd · Markdown: https://rewindex.com/change/i4ce735879859fd.md · JSON: https://rewindex.com/api/v1/changes/i4ce735879859fd · Generated 2026-10-18T01:54:04.618Z